Home / 19,382.24-26,743.20-12,317.60

Finding the Fourth Proportional to 19,382.24, 26,743.20 and 12,317.60

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Solution

The fourth proportional to 19,382.24, 26,743.20 and 12,317.60 is: 16,995.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,382.24 : 26,743.20 = 12,317.60 : x
  2. Step 2: Convert to fraction form
    19,382.24/26,743.20 = 12,317.60/x
  3. Step 3: Cross multiply
    19,382.24x = 26,743.20 × 12,317.60
  4. Step 4: Simplify right side
    19,382.24x = 329,412,040.32
  5. Step 5: Solve for x
    x = 329,412,040.32/19,382.24
  6. Step 6: Final answer
    x = 16,995.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.